The Armstrong Airtec Seven Block 7.3N is a high-performance building block designed for a variety of applications. It is manufactured to the highest standards and offers excellent thermal insulation, acoustic performance, and fire resistance.

Product Features:

• Thermal Conductivity: 0.17 W/mK (Protected Inner Leaf @ 3% Moisture).
• Compressive Strength: 7.3 N/mm2.
• Acoustic Sound Reduction Rw: 44 (Sound reduction Rw is based on wall mass and is for a single-leaf wall plastered on both sides.)
• Fire Resistance Hours: 4 (Fire resistance periods to BS 5628-3 for a single-leaf, non-loadbearing plastered wall. Figures shown are for wall blocks above dpc only.)

This block is ideal for use in a range of applications, including internal and external walls, acoustic separating walls, and block and beam floors.